Beverley&Ken wrote:
As for the original question, follow the problem positive cable and look for a place where it may be pinched, or worn insulation causing a dead short to ground. It may be where it goes through a metal wall and grommet is broken or missing, or along a frame rail or other metal grounded component.
Ken
Yes this was my first thought as well, I have started to try and follow it but this is quite a task with all the installation and the fact I have to crawl under the motor home and we are still having freezing weather here in Montreal. I'll keep looking....